Post Utme Afe Babalola University 2020 Physics Question 29

Practice objective / multiple choice question 29 from the 2020 Post Utme Afe Babalola University Physics examination.

Post Utme Afe Babalola University 2020 Physics Objective / Multiple Choice
Question 29 POST_UTME_AFE_BABALOLA_UNIVERSITY • 2020 • PHYSICS • objective
Post Utme Afe Babalola University 2020 Physics Question 29 diagram

A circuit consists of a battery of emf $\mathcal{E}$, a resistor of resis\tance $R$, and an inductor of induc\tance $L$. If the circuit is connected to a switch that is closed at time $t = 0$, what is the current in the circuit at time $t$?

Answer Options

Correct Answer A. \frac{\mathcal{E}}{R} \left\( 1 - e^{-\frac{R}{L} t} \right \)
B. \frac{\mathcal{E}}{R} \left\( 1 + e^{-\frac{R}{L} t} \right \)
C. \frac{\mathcal{E}}{R} \left\( 1 - e^{\frac{R}{L} t} \right \)
D. \frac{\mathcal{E}}{R} \left\( 1 + e^{\frac{R}{L} t} \right \)
Correct Answer
A
Correct Option:
\frac{\mathcal{E}}{R} \left\( 1 - e^{-\frac{R}{L} t} \right \)

About This Question

This is Post Utme Afe Babalola University 2020 Physics Question 29. It is one of the objective questions from the 2020 Post Utme Afe Babalola University Physics examination.

View More Post Utme Afe Babalola University 2020 Physics Questions More Post Utme Afe Babalola University Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support